Caroline Bourdon

Natural Resources Canada | NRCan · Canadian Forest Service

Anthropogenic climate change is causing the Arctic and Subarctic to warm faster than lower latitudes. Arthropods comprise the majority of animal species and are especially sensitive to abiotic environmental changes. In this chapter we review and discuss impacts of climate change on arthropods, including extinctions and extirpations, population decl...

A review of four species of Placusa Erichson recorded in Arctic/Subarctic North America is presented. A key to species of Placusa Erichson is provided. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and...

A short review of research in Canada using aleocharine beetles as indicators of forest change mainly due to different forestry practices is reviewed and discussed. It reletes mainly to boreal forests in eastern and central Canada.

One species of the tribe Boreocyphini Klimaszewski and Langor is recorded in North America. The following is provided for the species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the aedeagus, s...

A total of 231 species placed in 54 genera and 12 tribes of Aleocharinae are reported from Subarctic and Arctic North America, and an additional seven species are reported as occurring in transitional areas between the softwood shield (5.1) and taiga shield (3.4, subarctic) forests of Labrador. This assemblage represents about 37% of the total aleo...

The study region, the Nearctic Arctic and Subarctic, is delimited to include the ecoregions 1–4 and 6.1 as defined by CEC (Terrestrial ecoregions – Level II ecoregions, http://www.cec.org/north-american-environmental-atlas/terrestrial-ecoregions-level-ii/, 2018). This encompasses the tundra, taiga forests and the lowlands of Alaska (United States)...

Only one genus Cypha Leach, with one species, of the tribe Hypocyphtini Laporte is recorded from the Arctic/Subarctic. The following is provided for the species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (med...

Three genera Leptusa, Gyrophaena, and Silusa of the tribe Homalotini Heer are found in Arctic/Subarctic region of Canada and Alaska. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the...

Information is presented on the book format, abbreviations, diagnostic features including external body structures and genital structures important for identification (e.g. aedeagus, parameres, spermatheca, and terminal segments of abdomen), microdissection and preparation of genital structures for examination and diagnostics, image production, a r...

Keys to genera and species of the tribe Athetini Casey are provided. A review is provided for the following genera: Acrotona, Adota, Aloconota, Amischa, Atheta, Bellatheta, Boreophilia, Boreostiba, Dinaraea, Dochmonota, Earota, Hydrosmecta, Liogluta, Lypoglossa, Mocyta, Paragoniusa, Philhygra, Schistoglossa, Strigota, Tarphiota, and Trichiusa. The...

A well illustrated key to 12 tribes recorded from Arctic and Subarctic regions is presented. Relevant literature is provided.

Keys to genera and species of the tribe Tachyusini C.G. Thomson are provided. We present a review of the species of Brachyusa Mulsant and Rey, Dasygnypeta Lohse, Gnypeta C.G. Thomson, Paradilacra Bernhauer and Tachyusa Erichson recorded in Arctic/Subarctic ecozones. The following is provided for each species: a morphological diagnosis, distribution...

Keys to genera and Arctic/Subarctic species of the tribe Oxypodini C.G. Thomson are presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the aedeagu...

Three genera Amblopusa, Paramblopusa, and Liparocephalus of the tribe Liparocephalini Fenyes are recorded in Arctic/Subarctic region of Alaska. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white im...

One species of the tribe Lomechusini Fleming is recorded from Subarctic region. The following is provided: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the aedeagus, spermatheca) and terminal seg...

A diagnosis of the tribe Gymnusini Heer is presented, with a review of species of Gymnusa Gravenhorst and Deinopsis Matthews. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, color images of the habitus, and black and white images of the genital...

Keys to subgenera and review of 22 species of the genus Aleochara Gravenhorst occurring in Arctic and Subarctic regions of Canada and Alaska are presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black...

A taxonomic checklist is provided of the 238 included aleocharine species. Tribe and genus totals are given, in addition to status as adventive or native (Holarctic or Nearctic). Recent taxonomic changes and those implemented in the present work are indicated under the respective species.

Key to species of the tribe Myllaenini Ganglbauer is provided. A review of four species of Myllaena Erichson recorded from Arctic/Subarctic is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black an...

Keys to the genera and three species of the tribe Hypocyphtini Laporte are provided. A review of species of Cypha Leach, Holobus Solier, and Oligota Mannerheim, recorded in British Columbia is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key refe...

[∗Holarctic species, †adventive species, ‡species of uncertain distribution status—adventive in Canada or Holarctic, species without marks are native; numbers in brackets indicate number of species per taxon]

One species of Bryothinusa Casey of the tribe Diglottini Jakobson, is treated herein. The following is provided for the species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the aedeagus, spermat...

Keys to species of Placusa Erichson of the tribe Placusini Mulsant and Rey is provided. A review of six species of Placusa Erichson recorded in British Columbia is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the...

In British Columbia (BC), a biodiversity hotspot on the western coast of Canada, there are 227 documented species of Aleocharinae (Coleoptera: Staphylinidae). Aleocharinae species can be characterized based on their distribution patterns across Canada, and over 19% of species are recorded from western Canada and the USA, including BC. Fourteen Aleo...

A serious dialogue cannot take place on a historical review of taxonomic research on the North American Aleocharinae without the mention of one of the early students of Coleopterology in this country, Thomas Lincoln Casey (Fig. 2.1a). Casey was one of the most prolific describers of species-level taxa in the subfamily Aleocharinae.

Keys to genera and 44 species of the tribe Oxypodini C.G. Thomson are provided. Calodera bennetti Klimaszewski, sp. n., is described as a new species with the first record of the genus Calodera in BC. A review of BC species of Alfocalea Klimaszewski (1 sp.), Betocalea Klimaszewski (1 sp.), Blepharhymenus Solier (1 sp.), Calodera Mannerheim (1), Cra...

A diagnosis of the subfamily Aleocharinae is provided, as well as a key to the 14 tribes recorded from British Columbia.

Keys to genera and five species of the tribe Liparocephalini Fenyes are provided. Species from four genera are reported in BC: Amblopusa Casey (1 sp.), Diaulota Casey (1 sp.), Liparocephalus Mäklin (2 spp.), and Paramblopusa Ahn and Ashe (1 sp.). The following is provided for each species: a morphological diagnosis, distribution, information about...

Information is presented on format, abbreviations, diagnostic features including external body structures and genital structures important to identification (e.g. aedeagus, parameres, spermatheca, and terminal segments of abdomen), microdissection and preparation of genital structures for examination and diagnostics, image production, and a review...

Key to species of the tribe Myllaenini Ganglbauer is provided. A review of four species of Myllaena Erichson recorded in British Columbia is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and...

Keys to genera and species of the tribe Homalotini Heer are provided. A review of the species of Encephalus Stephens (1), Gyrophaena Mannerheim (5 spp.), Leptusa Kraatz (1 sp.), Leptusomorpha Klimaszewski and Hoebeke, gen. n. (1 sp.), Silusa Erichson (3 spp.), and Stictalia Casey (6 spp). Each species is provided with major references, diagnosis, d...

Keys to genera and species of the tribe Lomechusini Fleming are provided. A review of Myrmoecia Mulsant and Rey (1 sp.), Zyras Stephens (1 sp.), and Xenodusa Wasmann (2 spp.) recorded in British Columbia is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collec...

Key to British Columbian species of the genus Autalia Leach, of the tribe Autaliini C. G. Thomson, is provided. Three species are included in this account. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black...

Keys to genera and 12 species of the tribe Tachyusini C.G. Thomson are provided. A review of the species of Brachyusa Mulsant and Rey (2 spp.), Gnypeta C.G. Thomson (6 spp.), Paradilacra Bernhauer (1 sp.), and Tachyusa Erichson (3 spp.) recorded in British Columbia is presented. The following is provided for each species: a morphological diagnosis,...

Keys to subgenera and species of the genus Aleochara Gravenhorst are provided, and review of the 23 species recorded in BC is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of...

Keys to genera and species of the tribe Falagrini Mulsant and Rey are provided. A review of the species of Bryobiota Kraatz (1 sp.), Cordalia Jacobs (1 sp.), Falagria Leach (1 sp.), Myrmecocephalus MacLeay (1 sp.) recorded in British Columbia is presented. The following is provided for each species: a morphological diagnosis, distribution, informat...

Review of 101 species of the tribe Athetini is provided. The following genera are recorded: Adota Casey (1 sp.), Aloconota C.G. Thomson (2 spp.), Amischa C.G. Thomson (1 sp.), Atheta C.G. Thomson (44 spp.), Boreophilia Lohse (1 sp.), Boreostiba Lohse (3 sp.), Clusiota Casey (1 sp.), Dalotia Casey (1 sp.), Dinaraea C.G. Thomson (4 sp.), Dochmonota C...

This chapter focuses on the diverse habitats in British Columbia which act as hotspots of Canadian diversity for many insect species. A forest dominated province habitat complexity in B.C. is enhanced from the extensive coastline to the rugged mountain peaks of the province. Coniferous forests provide habitat for aleocharine beetles that extend acr...

Today’s staphylinid specialists stand on the shoulders of some of the early and contemporary giants who have contributed substantially to our understanding of aleocharine systematics in North America. Based on their life’s work and achievements, a number of deceased individuals are worthy of recognition here. We have selected five beetle specialist...

A diagnosis of the tribe Gymnusini Heer is provided, with a review of three species of Gymnusa Gravenhorst. Two of these, were formerly recorded and one is newly reported in British Columbia. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colo...

This is the sixth volume in a series of monographs in which we treat the adventive species of the insect order Coleoptera in Canada. The first volume provided an overview of all recorded species of adventive Coleoptera in eastern Canada (Klimaszewski et al. 2010), and the four subsequent volumes reviewed in detail the Canadian adventive species of...

Aleocharine beetles are among the most poorly known and difficult-to-identify groups of Coleoptera worldwide. This book presents the first comprehensive synopsis of aleocharine rove beetle species (Coleoptera, Staphylinidae) from British Columbia, Canada. It is important to generate a structured inventory of species in hotspots of biodiversity like...

Fourteen species of the genus Boreophilia Benick are now recognized in North America. Boreophilia insecuta (Eppelsheim), reported by Lohse (1990) from North America, is a misidentification of a new species, which is described here as B. neoinsecuta Klimaszewski, sp. n., and the true B. insecuta (Epp.) does not occur in North America. An additional...

Forty new provincial records, including two new aleocharine species for the province of Manitoba (Coleoptera: Staphylinidae) are provided. The two new species, Acrotona manitobensis Klimaszewski and Godin, new species, and Atheta manitobae Klimaszewski and Godin, new species, are described and illustrated. Habitat information and new locality recor...

A new subgenus, Hydrosmectomorpha Klimaszewski and Webster, of the genus Atheta C. G. Thomson (Coleoptera: Staphylinidae: Aleocharinae) is erected to accommodate three new species and Atheta newfoundlandica (Klimaszewski and Langor). The new species are: Atheta (Hydrosmectomorpha) meduxnekeagensis Webster and Klimaszewski, new species; Atheta (Hydr...

Keys to genera and species of the tribe Falagrini Mulsant and Rey are provided. A review of the species of Aleodorus Say (2 spp.), Borboropora Kraatz (1 sp.); Cordalia Jacobs (1 sp.), Falagria Leach (2 spp.), Myrmecocephalus MacLeay (3 spp.), and Myrmecopora Saulcy (1 sp.) recorded in eastern Canada is presented. The following is provided for each...

Keys to genera and species of the tribe Lomechusini Fleming are provided. A review of Drusilla Leach (1 sp.), Myrmedonota Cameron (1 sp.), Myrmoecia Mulsant and Rey (1 sp.), Pella Stephens (6 spp.), Platyusa Casey [removed from fauna of Canada], Zyras Stephens (2 spp.), and Xenodusa Wasmann (2 spp.) recorded in eastern Canada is presented. The foll...

The Aleocharinae fauna of eastern Canada is analyzed for geographic affiliation. Only 4.9–5.9% of the fauna is Holarctic but 11.3% of species are adventive and are of Palaearctic origin. The number of species remaining to be discovered in eastern Canada as a whole and in each of its jurisdictions was estimated using simple calculations. At least 70...

Information is presented on format, abbreviations, diagnostic features including external body structures and genital structures important for identification (e.g. aedeagus, parameres, spermatheca, and terminal segments of abdomen), microdissection and preparation of genital structures for examination and diagnostics, image production, DNA barcodin...

Keys to genera and species of the tribe Athetini Casey are provided. A review of the species of Acrotona C.G. Thomson (6 spp.), Alevonota C.G. Thomson (1 sp.), Aloconota C.G. Thomson (2 spp.), Amischa C.G. Thomson (1 sp.), Atheta C.G. Thomson (71 spp.), Boreophilia Benick (5 spp.), Boreostiba Lohse (4 spp.), Callicerus Casey (2 spp.), Clusiota Case...

One species of Diglotta Champion of the tribe Diglottini Jakobson, is treated herein. The following is provided for the species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the aedeagus, spermat...

Keys to genera and species of the tribe Tachyusini C.G. Thomson are provided. A review of the species of Brachyusa Mulsant and Rey (1 sp.), Gnypeta Thomson (10 spp.), and Tachyusa Erichson (4 spp.) recorded in eastern Canada is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat...

Keys to genera and species of the tribe Hypocyphtini Laporte are provided. A review of one species of Cypha Leach and five species of Oligota Mannerheim recorded in eastern Canada is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, co...

Keys to genera and species of the tribe Hoplandriini Casey are provided. A review of the four species of Hoplandria Kraatz and one species of Platandria Casey recorded in eastern Canada is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key referenc...

One species of Halobrecta C.G. Thomson, of the tribe Taxicerini Lohse is treated herein. The following is provided: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the aedeagus, spermatheca) and ter...

A first comprehensive synopsis of all aleocharine rove beetle species (Coleoptera, Staphylinidae) recorded from eastern Canada, from Ontario to the Maritime Provinces inclusively, is presented. Four hundred and seven species in 96 genera, and 16 tribes are presented and discussed.Tribes and subtribes are arranged in presumably phylogenetic order as...

One species of the tribe Boreocyphini Klimaszewski and Langor recorded in eastern Canada is presented. The following is provided for the species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the...

Keys to genera and species of the tribe Placusini Mulsant and Rey are provided. A review of one species of Euvira Sharp and seven species of Placusa Erichson recorded in eastern Canada is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key reference...

Keys to genera and species of the tribe Homalotini Heer are provided. A review of the species of Agaricochara Kraatz (1 sp.); Agaricomorpha Ashe (1 sp.), Anomognathus Solier (1 sp.), Cyphea Fenyes (1 sp.), Eumicrota Casey (2 spp.), Gyrophaena Mannerheim (32 spp.), Homalota Mannerheim (1 sp.), Leptusa Kraatz (9 spp.), Neotobia Casey (1 sp.), Phanero...

Progress on the study of aleocharine beetles in eastern Canada during the 26 years since the first Canadian checklist was published is discussed and the accumulation of recorded species during this period is graphically illustrated. The fauna of New Brunswick has gone from nearly unknown (19 species) in 1991 to the most diverse in Canada with 299 s...

One species, Autalia rivularis (Gravenhorst), of the tribe Autaliini C.G. Thomson, is treated herein. The following is provided for the species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of the habitus, and black and white images of the genitalia (median lobe of the a...

Keys to genera and species of the tribe Gymnusini Heer are provided. A review of the seven species of Gymnusa Gravenhorst and four species of Deinopsis Matthews recorded in eastern Canada is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key refere...

A checklist of eastern Canadian species of Aleocharinae is provided. The fauna currently accounts for 407 verified recorded species (including one new record) in 96 genera, and 16 tribes. The taxonomic arrangement reflects the latest knowledge of the classification of this group of beetles. Tribes are arranged in taxonomic order; genera are either...

A diagnosis of the subfamily Aleocharinae is provided, as well as a key to the 16 tribes of eastern Canadian Aleocharinae.

Keys to genera and species of the tribe Oxypodini C.G. Thomson are provided. A review of the species of Alisalia Casey (3 spp.), Apimela Mulsant and Rey (2 spp.), Blepharhymenus Solier (1 sp.), Calodera Mannerheim (2 spp.), Cratarea C.G. Thomson (1 spp.), Devia Blackwelder (1 sp.), Dexiogyia C.G. Thomson (1 sp.), Gennadota Casey (1 sp.), Gnathusa F...

A key to the species of Myllaena Erichson of the tribe Myllaenini Ganglbauer is provided. A review of nine species of Myllaena Erichson recorded in eastern Canada is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, key references, colour images of th...

Keys to genera and species of the tribe Aleocharini Fleming are provided. A review of the 35 species of Aleochara Gravenhorst and four species of Amarochara C.G. Thomson recorded in eastern Canada is presented. The following is provided for each species: a morphological diagnosis, distribution, information about habitat and methods of collection, k...

Thecturota tenuissima Casey, is reported for the first time from Canada, based on records from Ontario and Quebec. It was originally described from Rhode Island, USA, and no other records of this species in North America were published since that time. The specimens from Canada were captured by car netting. We provide here a redescription of this s...

Two genera, Apimela Mulsant & Rey and Gyronycha Casey (both Aleocharinae: Oxypodini: Meoticina), are recorded from New Brunswick and Canada for the first time. The following species are newly recorded or described as new in New Brunswick and Canada: Apimela fusciceps (Casey); A. canadensis Klimaszewski & Webster, sp. n.; and Gyronycha pseudoobscura...

A synopsis of adventive species of the Coleoptera superfamilies Scarabaeoidea, Scirtoidea, Buprestoidea, Byrrhoidea, Elateroidea, Derodontoidea, Bostrichoidea, and Cleroidea in Canada is presented. Of the 1611 species of those superfamilies recorded from Canada, 106 species in 74 genera and 18 families are reported as adventive, constituting 6.6% o...

One hundred twenty species of aleocharine beetles (Staphylinidae) are recognized in the province of Sas­katchewan. Sixty-five new provincial records, including twelve new species and one new North American record, are presented. Oligota inflata (Mannerheim), a Palearctic species, is newly recorded for North America. The following twelve species are...